Upgrade Sub

79 % - 538 Votes

Your objective in this fun role playing game is to continue upgrading your weak submarine until its an unstoppable machine! This game take a lot of patience. You will die almost immediately the first few times. Stay with it, though! You can update your sub each round. Use the UP and DOWN ARROW KEYS to move and use the SPACEBAR to fire. You can also choose the mouse controls, where you use YOUR MOUSE to move and LEFT CLICK to shoot. You can also decide to choose auto fire, where the submarine fires for you. Good lunk and have fun!

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